Question about 1980 Chevrolet Corvette

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1980 Corvette, my battery light stays on with the key off, goes off with the engine on. The battery is now dead. What do I check first?

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  • Master
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Try taking out the relays untill the light goes out and then check the number on the relay (marking it with a spot of paint) so you dont get it mixed up with another one Then check it with another one in the relay box and if the number is the same then put it into the hole were the 1st one came from and see if the light comes on /if so then change them back and go to the ALTERNATOR and take off the small plug or wire (not the red one) and see if the light is still on /if yes take off the Alternator and take it away to the Eletric shop for checking or Change over and refit and retest .
It sounds like relay thats why you do it first.
Let me know how you get on . RON

Posted on Nov 17, 2009

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  • Master
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Guessing that one of the diodes is shorted within the alternator. Get the battery on a charger (remove the negative battery connector first) while you remove the alternator and take it to your favorite auto parts supplier who will be happy to check it out and supply you with a fresh one if needed. Good luck!

Posted on Nov 17, 2009

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